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Comparing with the activity of NiO/γ-Al_2O_3, NiO/TiO_2, and NiO/CeO_2catalysts, NiO/CeO_2 showed the highest light-off conversions of NO and CO and lowesttemperature of total conversion. Three kind of CeO_2 prepared by homogeneousprecipitation, precipitation, and direct decomposition method wereused as the carrier of NiO. Through the activity comparison of NiO/CeO_2, NiO/CeO_2and NiO/CeO_2, CeO_2 optimized as the preferable carrier for active component at aspace velocity of 120 000h~(-1, the coversion of NO is 50％at 170℃over NiO/CeO_2catalyst, and the complete conversion of NO and CO occurred at 210℃.

由Al_2O_3、TiO_2、CeO_2负载的NiO催化剂在NO-CO反应中的活性比较得出：NiO／CeO_2催化剂具有最好催化活性；分别采用直接分解法、氨水沉淀法和均匀沉淀法制备了载体CeO_2、CeO_2、CeO_2，并比较了NiO／CeO_2、NiO／CeO_2、NiO／CeO_2的活性差异，得出了以尿素作为沉淀剂的均匀沉淀法制备的CeO_2负载的NiO活性最好空速为120 000 h~(-1的条件下，170℃时，NO的转化率为50％；210℃时，NO和CO的转化率均达到了100％。

The blast furnace keeps the preferable and safe production state by strengthening equipment look-over and maintenance,adjusting operation system,improving coal gas flow distribution,stabilizing BF running,perfecting protection of BF with limonite in the burden,giving attention to management of casthouse and adopting beneficiated material etc.

通过强化炉体炉缸设备的点检和维护力度、调整操作制度、改善煤气流分布、稳定炉况顺行、完善钛矿护炉模式、加强出渣铁作业管理和精料等一系列措施，使得高炉保持在较好的和安全的生产状态。

For preferable authentication and regulation of material quality of Celosia argentea,HPLC fingerprints of different habitats were studied.

中文摘要：目的：研究不同产地青葙子药材的HPLC指纹图谱，为青葙子药材的鉴别及质量控制提供依据。

And the addition of nutrient salt is more preferable for compendency yeast species with the addition quantity 20～40mg/L.

营养盐的添加较适于凝集性酵母菌种，添加量在20～40mg/L之间。

It has also been noted that compressively strained quantum well materials are more preferable for the fabrication of IEL integrated devices, as they manifest a wider gain spectrum and a more significant bandgap shrinkage effect.

同时，由于压应变量子阱材料可以获得更宽的增益谱以及更明显的带隙收缩效应，因而更适合应用于同一外延层结构集成光源的制作。

"TITe\'s not a finer fellow in the service",Osborne say,nor a preferable officer, though he is not an Daphnis,certainly.

& 奥斯本说：&虽然他不算英俊倜傥，但军队里谁也比不上他的为人，他做军官的本事也比更多有联系人强。

The technology of using high pressure water to descale and carry out innovation on saving energy is studied by this paper. These innovations result in satisfying effect and preferable economy benefit.

本论文正是为了解决这个问题，研究了除鳞高压水的节能技术，并实施了节能改造，取得了满意的效果，获得了较好的经济效益。

This incision forms an elliptical, racquet-shaped flap, attached at the base of the proximal phalanx (Fig. 1-24, C). Although distal reflection of this flap amply exposes the first metatarsophalangeal joint, because healing of the skin flap may be delayed, the use of a dorsomedial approach is preferable.

尽管向远端翻转皮瓣可充分显露第一跖趾关节，但由于皮瓣可能出现延迟愈合，因此在拇趾跖趾关节手术中采用背内侧切口更为适宜。

The Lexicographic method has subjective and empirical character,so a weighting coefficient is introduced by considering the importance and proportion of each individual object,the preferable result of every individual object can be confirmed by comparing the degree of similarity between the perfect one and the ecumenic one and the Fuzzy optimization will be perfect.

多目标最优化问题最早的出现[1]，应追溯到1772年，当时franklin就提出了多目标矛盾如何协调的问题。由于多目标优化的特点，只有很少问题具有满足所有目标函数最优化的&最优解&，而大多数情况只有一个折衷意义的&偏好解[&2，3]。

The result of experiment indicates that the device has a preferable function of audio frequency electroacoustic transition.

实验结果表明装置具有较好的音频电声转换功能，与传统的扬声器相比，具有结构简单，无任何振动部件等优点，有较大的研究意义及广阔的应用前景。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。